Patents-Review.com
ClassID:

143788 ⎘

F04C2230/21 - CPC Classification

Classification description:

Manufacture essentially without removing material by casting

Recent Application in this class:
#1
20260110298
2026-04-23

SCROLL PLATE COVER AND SCROLL COMPRESSOR

 #2
20260055761
2026-02-26

Stators for Eccentric Screw Pumps, Eccentric Screw Pump and Production Method

 #3
20250354549
2025-11-20

SCREW PUMP AND ITS COMPONENTS

 #4
20250092873
2025-03-20

LOW COEFFICIENT OF EXPANSION ROTORS FOR VACUUM BOOSTERS

 #5
20240125358
2024-04-18

End Plates and Inner Plate Bushings For Pumps

 #6
20240026880
2024-01-25

Mud motor rotor with core and shell

 #7
20230265849
2023-08-24

Low coefficient of expansion rotors for vacuum boosters

 #8
20230055808
2023-02-23

SCROLL COMPRESSOR WITH A COMPRESSION SECTION MADE OF SOLID SOLUTION STRENGTHENED FERRITIC DUCTILE IRON

 #9
20230023855
2023-01-26

Screw-spindle pump, particularly for cooling systems

 #10
20220216775
2022-07-07

ROTATING ELECTRIC MACHINE, COMPRESSOR, AND METHOD OF MANUFACTURING ROTATING ELECTRIC MACHINE

 #11
20210277719
2021-09-09

Mud motor rotor with core and shell

 #12
20210270265
2021-09-02

Low coefficient of expansion rotors for vacuum boosters

 #13
20200325885
2020-10-15

Piping member and fluid transport device

 #14
20200291941
2020-09-17

Hub of movable scroll device for scroll compressor including centroid-adjusting recess and method for manufacturing same

 #15
20180371912
2018-12-27

Rotor with sliding vane has a different width of vane slot extended from the longitudinal axis to the outer surface of the rotor body

 #16
20180238325
2018-08-23

ELECTRIC PUMP AND METHOD FOR PRODUCING SAME

 #17
20180216619
2018-08-02

Refrigeration compressor fittings

 #18
20180200936
2018-07-19

Stator injection molding centralization

 #19
20180180044
2018-06-28

Coupling element for an eccentric screw rotor

 #20
20180172001
2018-06-21

Plate gear pump and hydraulic centering pins

 #21
20180119695
2018-05-03

Gear pump and method for realising it

 #22
20180023563
2018-01-25

AUTOMATIC TRANSMISSION PUMP APPARATUS OR PUMP APPARATUS

 #23
20180017057
2018-01-18

Rotary compressor

 #24
20170306959
2017-10-26

Oil-free screw compressor having atmosphere open hole formed in casing and communication hole formed in shaft seal device

 #25
20170003057
2017-01-05

Rotary compressor

 #26
20170002813
2017-01-05

Method for forming hole-processed cast, cast casing, and screw compressor casing

 #27
20170002811
2017-01-05

Cast-in offset fixed scroll intake opening

 #28
20160348675
2016-12-01

Transverse internal gear pump

 #29
20160327036
2016-11-10

Internal gear pump

 #30
20160245282
2016-08-25

POLYETHERIMIDE PUMP

 #31
20160186747
2016-06-30

Method and apparatus to manufacture a progressive cavity motor or pump

 #32
20160160859
2016-06-09

Sealing member, scroll compressor including a sealing member and method for manufacturing a sealing member for a scroll compressor

 #33
20150260195
2015-09-17

Pump and its manufacturing method

 #34
20150252719
2015-09-10

Composite supercharger rotors and methods of construction thereof

 #35
20150240806
2015-08-27

Rotary pump with a plastic composite structure

 #36
20150204325
2015-07-23

Internal gear pump

 #37
20150167666
2015-06-18

Pendulum slide pump with at least one communication channel

 #38
20150144230
2015-05-28

Method for fabricating vane using a nodular graphite cast iron

 #39
20150017047
2015-01-15

Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same

 #40
20140255237
2014-09-11

Vane pump

 #41
20140044583
2014-02-13

Process for manufacturing casing, and vacuum pump

 #42
20140021650
2014-01-23

Plastic pump housing and manufacture thereof

 #43
20130294957
2013-11-07

Pump enveloped with thermally conductive material

 #44
20130122325
2013-05-16

Nodular graphite cast iron

 #45
20130084175
2013-04-04

Stator for progressive cavity pump/motor

 #46
20120288395
2012-11-15

Screw spindle machine and method of manufacturing the same

 #47
20120174617
2012-07-12

Refrigerant compressor and refrigeration cycle apparatus

 #48
20120102738
2012-05-03

Method of Making Progressing Cavity Pumping Systems

 #49
20120034110
2012-02-09

VACUUM PUMP HOUSING AND SET OF COOLING ELEMENTS FOR A VACCUM PUMP HOUSING

 #50
20110271527
2011-11-10

Controlled thickness resilient material lined stator and method of forming

 #51
20110150690
2011-06-23

OIL SUPPLY STRUCTURE FOR REFRIGERANT COMPRESSOR

 #52
20110116961
2011-05-19

STATORS FOR DOWNHOLE MOTORS, METHODS FOR FABRICATING THE SAME, AND DOWNHOLE MOTORS INCORPORATING THE SAME

 #53
20110116959
2011-05-19

Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same

 #54
20110070111
2011-03-24

Stator/rotor assemblies having enhanced performance

 #55
20110052410
2011-03-03

Powder metal scrolls

 #56
20110038713
2011-02-17

Dry running flexible impeller pump and method of manufacture

 #57
20100202911
2010-08-12

SCROLL-TYPE POSITIVE DISPLACEMENT APPARATUS WITH PLASTIC SCROLLS

 #58
20100202910
2010-08-12

Compression mechanism and scroll compressor including the same

 #59
20100135837
2010-06-03

Pump Casing

 #60
20100111739
2010-05-06

Scroll member, method of manufacturing same, compression mechanism and scroll compressor

 #61
20100111738
2010-05-06

Scroll member, method of manufacturing same, compression mechanism and scroll compressor

 #62
20100061871
2010-03-11

Compressor slider, slider preform, scroll part, and compressor

 #63
20100028175
2010-02-04

ELECTRIC COMPRESSOR FOR VEHICLE AIR CONDITIONER

 #64
20090169364
2009-07-02

Progressive cavity apparatus with transducer and methods of forming and use

 #65
20080247895
2008-10-09

Injection molded scroll form

 #66
20080080996
2008-04-03

Resin screw rotor molded to a metallic shaft

 #67
20070292293
2007-12-20

Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section

 #68
20070264148
2007-11-15

Gear pump arrangement with erosion resistant insert

 #69
20070259199
2007-11-08

Oil pump

 #70
20070177972
2007-08-02

Dry running flexible impeller pump and method of manufacture

 #71
20070067990
2007-03-29

Powder metal scrolls

 #72
20070065298
2007-03-22

Liquid ring pump

 #73
20060292000
2006-12-28

Liquid ring pump

 #74
20060150406
2006-07-13

Powder metal scrolls

 #75
20060039804
2006-02-23

Motor-pump unit

 #76
20050285305
2005-12-29

Method of molding progressive cavity pump stators

 #77
20050069440
2005-03-31

Multistage dry pump